Genelle Renee Conway-Allen, 13, of Suisun City, who was last seen Jan. 31, 2013. Her body was found the next day in a park in Fairfield.

Photo: Courtesy Of Fairfield Police, Fairfield Police

Genelle Renee Conway-Allen, 13, of Suisun City, who was last seen...

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Major Market manager Ibrahim Mohammad looks through his store video on Wednesday, February 6, 2013, to see if 13 year old Genelle Conway-Allen, who was found strangled last week in Fairfield, Calif., may have been in his store before her death. He says he's been going through the video since her death to find clues in capturing the criminal who strangled her.

Photo: Liz Hafalia, The Chronicle

Major Market manager Ibrahim Mohammad looks through his store video...

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Genelle Renee Conway-Allen, 13, of Suisun City, in a photo taken just before she was last seen Jan. 31, 2013. Her body was found the next day in a park in Fairfield.

Photo: Courtesy Of Fairfield Police, Fairfield Police

Genelle Renee Conway-Allen, 13, of Suisun City, in a photo taken...

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Genelle Renee Conway-Allen, 13, of Suisun City, who was last seen Jan. 31, 2013. Her body was found the next day in a park in Fairfield.

Photo: Courtesy Of Fairfield Police, Fairfield Police

Genelle Renee Conway-Allen, 13, of Suisun City, who was last seen...

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Parents and children from the nearby Sheldon Elementary school pray for the 13-year-old Green Valley Middle School student Janelle Allen at her memorial in Allan Witt Park in Fairfield, Calif., on Monday, February 4, 2013. She was found strangled, dead and naked at the parking lot of the park. These parents have been walking children home from school that usually cross this park because of someone harassing the children three weeks prior on their way to school.

Photo: Liz Hafalia, The Chronicle

Parents and children from the nearby Sheldon Elementary school pray...

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The playground was under investigation during the weekend as it remains empty on Monday, February 4, after 13-year-old Green Valley Middle School student, identified by friends as Janelle Allen, was found dead at Allan Witt Park in Fairfield, Calif.

Photo: Liz Hafalia, The Chronicle

The playground was under investigation during the weekend as it...

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Anayah Hyde (left) and Anastasia Keola visit a makeshift memorial at Allan Witt Park in Fairfield, Calif. on Saturday, Feb. 2, 2013, one day after an unidentified 13-year-old girl's body was discovered in the parking lot Friday morning. Officials are investigating the case as a possible homicide.

Photo: Paul Chinn, The Chronicle

Anayah Hyde (left) and Anastasia Keola visit a makeshift memorial...

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Allan Witt Park, West Texas Street, Fairfield, CA

Photo: Google Maps

Allan Witt Park, West Texas Street, Fairfield, CA

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Mourners pay their respects at a candlelight vigil for Genelle Conway-Allen at Allan Witt Park in Fairfield on Friday, Feb. 8. Conway-Allen was found dead in the park a week ago.

Maria Alba shares a moment with her daughter, Kamyla and son, Jesus. Though the family did not know the victim of the murder they feared for their own safety because they live close to the park. Genelle Conway-Allen was found dead at Allan Witt Park on Friday, Feb. 1.

Photo: James Tensuan, The Chronicle

Maria Alba shares a moment with her daughter, Kamyla and son,...

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Lance Skipper pays his respects at the memorial for Genelle Conway-Allen whos dead body was found at allan Witt Park last Friday. Skipper has been coming to this park every day for the last 15 years.

The arrest of a local barber Friday in the killing of a 13-year-old girl in Fairfield brought the victim's family and the community some relief, but left them wondering why the teenager was targeted, her nude body dumped in a city park.

Jones was booked into Solano County jail on suspicion of murder, rape, kidnapping to commit rape and lewd acts on a child. Solano County prosecutors must decide what charges to file before Jones' scheduled court arraignment on Wednesday.

Jones, whose wife filed a domestic violence restraining order against him three days before Genelle went missing, is being held without bail at the jail, where he declined to be interviewed.

Early suspect

At a news conference, police officials said Jones acted alone, but they did not say how he crossed paths with Genelle or how she died.

Jones was identified as a suspect "early on in the investigation" and was placed on 24-hour surveillance before being arrested about 7 a.m. Friday on the 1100 block of East Tabor Avenue in Fairfield, said police Sgt. Rebecca Belk.

That address is half a block from where a police surveillance camera took the last known photo of Genelle late the afternoon of Jan. 31. She is believed to have taken the bus home that day from Green Valley Middle School in Fairfield, where she was a seventh-grader.

Police obtained undisclosed evidence tying Jones to the slaying, said Belk, who declined to elaborate and did not take questions, citing a continuing investigation.

Genelle lived in a foster home at the time of her slaying. Her biological mother, Crystal Conway of Vallejo, said no one in her family knew Jones.

"I'm very sad my angel is gone," Crystal Conway said in a text message to a Chronicle reporter. "She was a good kid and she had a lot of dreams."

The girl's father, 32-year-old Joshua Allen of Richmond, said he was struggling with drug addiction and hadn't seen his daughter since Thanksgiving of 2011.

"I hope it's the guy," he said, "and if it is, he'll get what he deserves."

In a statement, Genelle's foster family said they were "overwhelmed by emotion."

"With tears in our hearts, we can now begin to say goodbye to sweet Genelle," the statement read. "Genelle, we love you so much. We always will."

Evening vigil

Friday evening, about 200 people gathered near the spot where Genelle's body was found, holding candles and sharing a moment of silence. The vigil drew a mix of strangers, family members and schoolmates.

Eric May, 54, the homeless man who said he found Genelle's body last Friday, lit a candle and said he was haunted by the memory.

"But it warms my heart to see all these people here," he said. "This is how a community that wants to heal responds."

Jones lives on the 2500 block of Clipper Lane in Fairfield, where neighbors said they were awakened Friday by the sound of police officers and FBI agents swarming his gray, two-story home.

Officers towed Jones' minivan from the house, residents said. In the afternoon, crime scene technicians in white lab suits moved in and out of the home.

Manuel Garcia, 17, who lives across the street, said he had noticed nothing unusual about Jones, who sometimes gave a teenage boy haircuts in his garage.

But Jones' wife, Divina Jones, filed for a restraining order on Jan. 28, court records show. The Fairfield Daily Republic reported that she told the court she was so scared of Jones, from whom she had separated in December, that she jumped out of their moving car on Jan. 25.

"I believe that if I brought him back to the house, he would kill me and then kill himself," she wrote. "Anthony looked at me and said, 'I don't want to scare you but I have a knife and a gun and I don't want to die alone.' "

A sheriff's deputy gave Jones a copy of the restraining order at his home a few hours after Genelle's body was found, the Daily Republic reported.

Praying for better year

Jones said on a Web page devoted to his haircutting that he worked at Crowns Barber Shop in Fairfield. Friday afternoon, police had the shop blocked off with yellow crime-scene tape.

On his Web page, Jones posted photographs of co-workers and customers who had just received trims. His most recent message, posted last month, said, "Starting it out with a smile, praying for a better 2013."